James, Jim or Jimmy Blyth may refer to:
James Blyth (engineer) (1839–1906), Scottish electrical engineer James Blyth, 1st Baron Blyth (1841–1925), English businessman and Liberal Party supporter James Blyth, Baron Blyth of Rowington (born 1940), Scottish businessman Jim Blyth (footballer, born 1890) (1890–?), Scottish footballer Jim Blyth (footballer, born 1911) (1911–1979), Scottish footballer Jim Blyth (footballer, born 1955), Scottish football goalkeeper Jimmy Blythe (1901–1931), American musician
See also Blyth (disambiguation)